Home / 4,677,869.20-7,016,803.80-2,874,906.40

Finding the Fourth Proportional to 4,677,869.20, 7,016,803.80 and 2,874,906.40

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Solution

The fourth proportional to 4,677,869.20, 7,016,803.80 and 2,874,906.40 is: 4,312,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677,869.20 : 7,016,803.80 = 2,874,906.40 : x
  2. Step 2: Convert to fraction form
    4,677,869.20/7,016,803.80 = 2,874,906.40/x
  3. Step 3: Cross multiply
    4,677,869.20x = 7,016,803.80 × 2,874,906.40
  4. Step 4: Simplify right side
    4,677,869.20x = 20,172,654,152,164.32
  5. Step 5: Solve for x
    x = 20,172,654,152,164.32/4,677,869.20
  6. Step 6: Final answer
    x = 4,312,359.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.